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Grade 12th passOrganic Chemistry

What is heat of hydrogenation and heat of combustions?

Profile image of Nadiya
8 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
8 Years ago
Dear Student
 
Heat of hydrogenation of alkenes is a measure of the stability of carbon-carbon double bonds. All else being the same, the smaller the numerical value of heat of hydrogenation of an alkene, the more stable the double bond therein
Enthalpy of hydrogenation is defined as the change in enthalpy, which occurs when one mol of an unsaturated compound reacts with an excess of hydrogen to become fully saturated at atmospheric pressure and room temperature the reactants and products being in their natural states under these conditions
 
Regards
Arun (askIITians forum expert)
 

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